Device for raising or lowering window-blinds, signal-lamps, &amp;c.



No. 636,296.` Patented Nov. 7, |899. J., A. D. SKELLY. DEVICE FUR RAISING 0R LI'JWEIIINGIv WINDOW BLINDS, SIGNAL LAMPS, M2.

(Application led Oct. 22, 1898.)

(No Model.)

UNITED STATES- .PATENT OFFICE.

JOHN SKELLY, ALLAN SKELLY, AND DAVID SKELLY, OF DUNASKIN,v SCOTLAND.

DEVICE FOR RAISING 0R LOWERING WINDOW-BLINDS, SIGNAL-LAMPS, &c.

SPECIFICATION forming part of Letters Patent No. 636,296, dated November 7, 1899. Application filed October 22, 1898.- Serial No. 694,340. (No model.)

To all whom t may concern:

Be it known that we, JOHN SKELLY,colliery manager, ALLAN SKELLY, clerk, and DAVID SKELLY, timekeeper, citizens of the United Kingdom of Great Britain and Ireland, and residents of 180 Lethanhill, by Dunaskin, in thel county of Ayr, Scotland, have invented a new and useful Device for Raising orrLowering Window-Blinds, Signal-Lamps, and other Articles, (which has been patented in Great Britain, No. 20,638, dated September 30, 1898,) of which the following -is a specification.

The hereinafter-described invention refers to apparatus for raising and lowering windowblinds, signal-lamps, and other articles, and will be illustrated in its application to window-blinds only; but its adaptation for other purposes where articles are to be raised or lowered for the purpose of show will be readily understood.

The object of the invention is to so construct such apparatus that the raising or lowering of the suspended window-blind will involve the expenditure of the minimum of time and labor.

In the drawings, Figure l is a longitudinal section through one end portion of a curtainroller provided with operatingl devices aocording to this invention. Fig. 2 is a front view of the roller and curtain.

C is one end portion of a curtain or blind' roller, the other end portion C of which is journaled in any approved manner, as by a pin s, which runs in a bracket t on the window-frame X.

A is the curtain or blind, Wound upon the X. On the tube b a sliding collargis strung and is free to move longitudinally of the tube b, being prevented from turning thereon by a pin h, which passes through the and through slots b in Vthe tube b, these slots being of such length as to allow the collar g a few inches of travel. A pulling-cord J is secured to the pin h and passes through the collar g 5o tube Z) and over a pulley e in the bracket e.

A screw-thread of quick pitch or a double or treble thread on the outer periphery of the collar g and a corresponding thread or threads is or are formed'on the inner periphery of the tube ct, so that when the-collar g is pulled by 6o A spiral spring and compressing the spring z', so that its power 7o is stored to afterward assist the raising operation.

Having now described the invention, what we claim, and desire to secure by Letters Patent, is-

l. The combination, with a stationary tube,

and a block slidable longitudinally on the said tube but not free to revolve thereon; of a revoluble winding-roller provided with a tubular end portion journaled concentric with the 8o said tube, said block and tubular portion being provided with engaging screw-threads, and means for moving the said block longitudinally arranged inside the said tube and connected with the said block, whereby the roller is revolved, substantially as set forth.

2. The combination, with a stationary slotted tube, a block slidable on the said tube, and a -pin secured to the said block and slidable longitudinally in the slotted tube and 9o preventing the said block from revolving; of a revoluble winding-roller provided with a tubular end portion joui'naled concentric with In Witness whereof we have hereunto set 1o the said tube, said block and tubular portion oui1 hands in presence of two Witnesses. 'being provided with engaging screw-threads,

an operating device secured to the said pin 5 inside the said tube, and a spring assisting DAVID SKELLY the longitudinal movement of the said block, said roller being revolved when the said block Witnesses: is slid longitudinally, substantially as set JOHN GRAHAM, forth. DAVID M. LooKE. 

